Pith Number

pith:5NN55CNC

pith:2026:5NN55CNCENO56KOQADKASQ6TOW

not attested not anchored not stored refs pending

Beyond Euclidean Summaries: Online Change Point Detection for Distribution-Valued Data

Xiaoyu Chen, Yingyan Zeng, Yujing Huang

arxiv:2602.07252 v2 · 2026-02-06 · stat.ME

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5NN55CNCENO56KOQADKASQ6TOW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-22T01:03:17.981869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb5bde89a2235ddf29d000d40943d375850ced09e2caedcd19dff50fde67b22b

Aliases

arxiv: 2602.07252 · arxiv_version: 2602.07252v2 · doi: 10.48550/arxiv.2602.07252 · pith_short_12: 5NN55CNCENO5 · pith_short_16: 5NN55CNCENO56KOQ · pith_short_8: 5NN55CNC

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/5NN55CNCENO56KOQADKASQ6TOW \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: eb5bde89a2235ddf29d000d40943d375850ced09e2caedcd19dff50fde67b22b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86bb231a92c21622a08517d06ce533d2e04252a64d4faa8922046cc7833cf38c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-02-06T23:04:37Z",
    "title_canon_sha256": "4da37b0478f2e39e31c4cd29bcb38d9891f4c84c54b5f6d396fe93eba4c6c1eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.07252",
    "kind": "arxiv",
    "version": 2
  }
}